2 sentences

1. 他脑海中突然闪过一个奇怪的意念。

   tā nǎo​hǎi zhōng tū​rán shǎn guo yī gè qí​guài de yì​niàn.

   A strange thought suddenly flashed through his mind.

   Source: Dong Chinese Dictionary

2. 他试着用强大的意念来克服身体的病痛。

   tā shì zhe yòng qiáng​dà de yì​niàn lái kè​fú shēn​tǐ de bìng​tòng.

   He tried to overcome his physical pain with sheer mental willpower.

   Source: Dong Chinese Dictionary